一种具有电能质量调节功能的单相并网逆变器控制策略

苏绍泽; 杨洪耕; 吴传来

苏绍泽,杨洪耕,吴传来.一种具有电能质量调节功能的单相并网逆变器控制策略[J].电测与仪表,2015,52(2):.
SU Shaoze,YANG Honggeng,WU Chuanlai.A Control Strategy for Single-phaseGrid-connected Inverter With Power Quality Regulatory Function[J].Electrical Measurement & Instrumentation,2015,52(2):.

一种具有电能质量调节功能的单相并网逆变器控制策略

A Control Strategy for Single-phaseGrid-connected Inverter With Power Quality Regulatory Function

DOI：

中文关键词: 单相并网逆变器谐波补偿　无功补偿二阶积分正交信号发生器　准PR控制

英文关键词:single-phase grid-connected inverter,harmonic compensation,reactive power compensation,SOGI-QSG,Quasi-PR controller

基金项目:

作者中文名	作者英文名	单位
苏绍泽	SU Shaoze	囯网四川省电力公司达州供电公司
杨洪耕	YANG Honggeng	四川大学电气信息学院
吴传来	WU Chuanlai	国网四川省电力公司达州供电公司

摘要点击次数: 2001

中文摘要:

建立了基于LCL滤波的单相并网逆变系统,结合逆变器与有源滤波器特点,提出了一种在并网发电同时兼具无功补偿及谐波补偿功能的并网逆变器复合控制策略。首先,分析了并网逆变器系统结构与模型,提出了一种准比例谐振(Quasi-Proportional Resonant,PR)控制方法,实现对含无功补偿电流的并网基波电流及谐波补偿电流的控制；然后,提出了基于二阶积分正交信号发生器(SOGI-QSG)原理与瞬时无功功率理论的复合控制指令电流计算新方法；最后,通过仿真验证了本文所提控制策略的有效性。

英文摘要:

A single-phase grid-connected inverter has the similar structure with the active power filter. In the single-phase grid-connected inverter system based on LCL filter, a control strategy for single-phase inverter with the function of compensating harmonic and providing reactive power is proposed. First of all, by the means of analyzing the grid-connected inverter system structure and model, a quasi-proportional resonant control method is proposed, gaining the control of grid-connected current and compensation current. And then, the calculation methods of composite control command current based on both second order generalized integrator-quadrature signal generator (SOGI-QSG) and instantaneous reactive power theory are raised. At last, the availability of this control strategy given in this paper is verified by simulation．

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